Which of the following are the functions of the Central Bank of India? [Railways 1992] 1. Regulation of currency and flow of credit system 2. Maintaining exchange value of rupee 3. Formulating monetary policy of India 4. Supervisory powers over the indigenous bankers and leasing companies

• A. 1 and 3
• B. 1, 2 and 3
• C. 1, 2 and 4
• D. 1, 2, 3 and 4